readme version

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dblang",
-  "version": "1.0.0",
+  "version": "0.6.2",
   "description": "",
   "main": "dist/db.js",
   "types": "dist/db.d.ts",

readme.md

@@ -238,6 +238,7 @@ BooleanModifier:
 - `le(v1, v2, ...)`
 - `not(v1)`
 - `like(v1, v2)`
+- `exists(s)`
 
 NumberModifier:
 - `plus(v1, v2, ...)`
@@ -248,7 +249,7 @@ NumberModifier:
 StringModifier:
 - `concat(v1, v2, ...)`
 
-(v\* = string, number, boolean, null, Modifier, Aggregation, select Query, Attribute)
+(v\* = string, number, boolean, null, Modifier, Aggregation, select Query, Attribute; s = selectQuery)
 
 #### Joins